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SER1360-472KLD
Coilcraft
FIXED IND 4.7UH 9.4A 6.05OHM SM
1475 Pcs New Original In Stock
4.7 µH Shielded Wirewound Inductor 9.4 A 6.05Ohm Max Nonstandard
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5.0 / 5.0
- (351 Ratings)
SER1360-472KLD
Product Overview
2172384
DiGi Electronics Part Number
SER1360-472KLD-DGManufacturer
Coilcraft
SER1360-472KLD
Description
FIXED IND 4.7UH 9.4A 6.05OHM SMInventory
1475 Pcs New Original In Stock
4.7 µH Shielded Wirewound Inductor 9.4 A 6.05Ohm Max Nonstandard
Quantity
Minimum 1
Minimum 1
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SER1360-472KLD Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
SER1360
Product Status
Active
Type
Wirewound
Material - Core
Ferrite
Inductance
4.7 µH
Tolerance
±10%
Current Rating (Amps)
9.4 A
Current - Saturation (Isat)
9.5A
Shielding
Shielded
DC Resistance (DCR)
6.05Ohm Max
Q @ Freq
-
Frequency - Self Resonant
32MHz
Ratings
AEC-Q200
Operating Temperature
-40°C ~ 85°C
Inductance Frequency - Test
100 kHz
Features
-
Mounting Type
Surface Mount
Package / Case
Nonstandard
Supplier Device Package
-
Size / Dimension
0.500" L x 0.496" W (12.70mm x 12.60mm)
Height - Seated (Max)
0.228" (5.80mm)
Datasheet & Documents
HTML Datasheet
SER1360-472KLD-DG
Environmental & Export Classification
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
2457-SER1360-472KLD
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Reliable, fast shipping combined with top-notch quality—very pleased.
de desembre 02, 2025
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de desembre 02, 2025
Their support team is reliable and always ready to assist, which makes our partnership smooth.
de desembre 02, 2025
After-sales support was personalized and attentive, making my experience stress-free.
de desembre 02, 2025
The support I receive after purchasing from DiGi Electronics is top-notch and dependable.
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Frequently Asked Questions (FAQ)
What are the risks of using the SER1360-472KLD in a high-temperature automotive power supply near its 85°C upper operating limit?
When using the SER1360-472KLD in automotive applications approaching 85°C ambient, thermal derating becomes critical. Although the inductor is AEC-Q200 qualified and rated for this temperature, PCB layout and nearby heat sources (e.g., switching MOSFETs) can push the inductor's local temperature beyond safe limits, accelerating aging or inducing early saturation. To mitigate risk, monitor hotspot temperature under full load, ensure adequate copper pour for thermal dissipation, and verify that DC bias current does not exceed 80% of the 9.4 A rating at elevated temperatures to maintain inductance stability.
How does the SER1360-472KLD compare to the Würth Elektronik WE-PD 744041470 in terms of saturation performance and PCB footprint in a 12V POL converter?
The SER1360-472KLD and WE-PD 744041470 both offer 4.7 µH and ~9.5A Isat, but the SER1360-472KLD has a slightly larger nonstandard footprint (12.70mm x 12.60mm) vs. the WE-PD’s standardized 12.8mm x 12.8mm, which may affect board redesign efforts. The SER1360-472KLD has a lower DCR (6.05Ohm max) compared to WE-PD’s 6.4Ohm, improving efficiency, but its self-resonant frequency (32MHz) is lower, increasing risk of resonance in high-frequency switchers (>2MHz). For 12V point-of-load designs, verify SRF margin relative to switching frequency when replacing the WE-PD with the SER1360-472KLD.
Can the SER1360-472KLD be used as a drop-in replacement for the Coilcraft XEL1520-472 in a DC-DC buck converter, and what layout adjustments are needed?
Replacing the XEL1520-472 with the SER1360-472KLD requires careful evaluation despite similar inductance and current ratings. The SER1360-472KLD has a different nonstandard footprint (12.70mm x 12.60mm vs. 15.2mm x 15.2mm), making it not pin-to-pin compatible, requiring PCB re-layout. Additionally, the SER1360-472KLD’s lower height (5.80mm max) may benefit space-constrained designs, but verify thermal performance as the smaller size may reduce heat dissipation. Ensure ground plane continuity under the inductor is avoided to prevent eddy current losses, especially since both are shielded types.
What design precautions should be taken to prevent premature saturation of the SER1360-472KLD in a high-ripple current application?
To prevent premature saturation of the SER1360-472KLD in high-ripple environments (e.g., switch-mode supplies with >30% ripple current), ensure peak current including ripple stays below the 9.5A Isat threshold—ideally with a 15–20% safety margin. High di/dt transients or inrush currents can cause momentary saturation, leading to efficiency drops and EMI spikes. Use input capacitance to dampen transients, and consider adding a small soft-start feature in the controller. Monitor inductor temperature and output ripple under dynamic load to detect early saturation signs, especially when operating near 9.4A DC current.
Is the SER1360-472KLD suitable for industrial motor drive applications with frequent load transients, and how does its shielded construction impact EMI performance?
The SER1360-472KLD is suitable for industrial motor drive pre-regulators or auxiliary supplies but should be avoided in direct high-noise gate drive paths. Its shielded ferrite core significantly reduces electromagnetic interference (EMI), making it ideal for noise-sensitive systems. However, frequent load transients can induce core losses and localized heating due to its 6.05Ohm max DCR. In such applications, pair the SER1360-472KLD with RC snubbers and ensure compliance with AEC-Q200 ruggedness standards for long-term reliability. Validate performance under pulse-load conditions to confirm inductance retention and thermal stability.
Quality Assurance (QC)
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SER1360-472KLD CAD Models
Coilcraft SER1360-472KLD PCB symbols & footprints
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